1 is fine, 2 has a manual penalty. That's the reason why you should always check the backlink profile and archive.org history of a domain before getting it, otherwise you risk building your PBN with worthless domains someone else already burned.

Based on your question I am assuming your deindexed domains were penalized? If so they won't be reindexed after putting up a new site within a day. If they are deindexed because they were dropped that's another thing entirely.

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